Where can I read how wireless headphones work?

Question

Headphones

I can’t find a description of the operation of wireless headphones, I understand that they are different, but somewhere an approximate principle of their operation and their components should be described. I will be glad to all literature

Answer 1

Banned on Google?
an audio receiver and a Bluetooth decoder are a board, a battery, speaker outputs, if necessary, you can also file a microphone.
2 devices are paired via Bluetooth, then the stream is transmitted to the decoder, then the amplifier, then to the speakers